Data & Integration Engineer — ETL, SQL & Data Quality

Digital Global Systems Inc; McLean (VA); On-site; USD 90,000 - 120,000; Full time

Job summary

A technology solutions company seeks a Data / Integration Engineer in McLean, VA. This role involves building ETL pipelines, standardizing data, and ensuring schema compliance. Candidates should have over 3 years of experience in data integration and ETL processes. Responsibilities include developing tools for Digital Twin integration and maintaining data quality. This position offers an opportunity to contribute to advanced technological solutions in the field of data management.

Qualifications

• 3+ years in data or integration engineering.
• ETL pipelines and data transformation expertise.
• Schema validation and data quality monitoring.

Responsibilities

• Build adapters for detection/decoder modules.
• Implement unit normalization and migration backfill.
• Design and maintain signal_vectors table.
• Build ESI Learning Service for occupancy.
• Develop Digital Twin export tools for integration.
• Implement schema drift alerting.
• Document all pipelines and procedures.

Skills

Data integration engineering

ETL pipelines

Schema validation

SQL proficiency

Job description

Contract (6-9 months, potential conversion)

Job Description

The Data / Integration Engineer is responsible for building the data standardization layer, ETL pipelines, and ESI Learning Service that support the CLEARSITE™ agent decision-making loop. This role ensures schema-compliant DetectionEvent payloads, signal_vectors table population, and reliable coverage hints for downstream services and the NVIDIA Aerial Digital Twin partnership.

Key Responsibilities

• Build adapters for 10+ detection/decoder modules to emit canonical DetectionEvent payloads
• Implement unit normalization, calibration reconciliation, and 90-day migration backfill
• Design and maintain signal_vectors ClickHouse table with historical depth and quality gates
• Build ESI Learning Service for occupancy, diurnal rollups, drift detection, and coverage hints
• Develop Digital Twin export tools for Omniverse integration
• Implement schema drift alerting and cross-module validation harnesses
• Document all pipelines, contracts, and handoff procedures

Required Qualifications

• 3+ years in data or integration engineering
• ETL pipelines and data transformation expertise
• Schema validation and data quality monitoring
• SQL proficiency and cross-database data flows

Preferred Qualifications

• Time-series data handling, EWMA, rolling aggregation
• RF signal or sensor data pipeline experience

Resume Submission

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Digital Global Systems is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, or protected veteran status. We are committed to providing reasonable accommodations to individuals with disabilities. If you need an accommodation during the application or interview process, please contact DGS.

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